What Were the First Mirrors?
What Were the First Mirrors? Probably the first mirror was the surface of a quiet pond. Our earliest ancestors must have noticed that they could see themselves in still...
Read MoreWhat Were the First Mirrors? Probably the first mirror was the surface of a quiet pond. Our earliest ancestors must have noticed that they could see themselves in still...
Read MoreA watermark is an identifying image or pattern in paper which is very useful in the examination of paper as it can be used for dating, identifying sizes, mill...
Read MoreHow Are the Pictures Formed on Camera Film? Photographic film is a thin sheet of plastic, coated with special chemicals. Where light rays hit the film, chemical changes...
Read MoreWe will never know who first discovered the idea of a mirror. But our earliest ancestors must have noticed that they could see their reflections in the surface of a...
Read MoreHow Does a Magnifying Glass Make Things Look Bigger? A magnifying glass enlarges an object’s appearance by bending the light rays that filter through it, thus...
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